The Poor-Man’s Transmitter: Building a Simple AM Radio Beacon from Vintage Electronics
Electronics hobbyists had a golden age when garages had workbenches. Teenagers dreamed of building radio stations during this time. The…
Month: June 2025
Building a Crystal-Controlled CMOS Oscillator: A Classic Circuit for Precise Timing
When you need accurate, stable frequency generation for digital circuits, few solutions are as elegant and cost-effective as a crystal-controlled…
Flashing Firmware in ATS Mini Radio: A Simple Firmware Update Guide
Your ATS Mini DSP Radio is an amazing piece of tech, but did you know you can unlock even more…
NJM4558 Audio Compressor Circuit: Complete Schematic & Build Guide
The NJM4558 audio compressor represents one of the most reliable and widely-used integrated circuits in professional audio applications. Furthermore, this…
Build Your Own Solar Powered Radio
Build Your Own Solar Powered Radio By Paul Lovell, G3YMP Solar cells can easily provide enough power to operate a…
Ham Radio Repeater Toneburst Module circuit
Ham Radio Repeater Toneburst Module In the UK and across Europe there are many repeaters which are primarily intended to…
Audible Continuity Tester for for Electronics Testing
Audible Continuity Tester Circuit Audible Continuity Tester is a simple but effective audible continuity tester that provides audio feedback when testing…
Build Your Own Simple Sine Wave Oscillator
Have you ever wanted to generate pure, smooth sine waves for your audio projects, testing, or just for fun? This…
TL071 Audio Compressor Circuit
TL071 Audio Compressor Circuit The TL071 operational amplifier makes an excellent foundation for DIY audio compressor circuits. This single-supply design…
A Beginner’s Guide to ATS20+ Firmware Flashing
A Beginner’s Guide to ATS20+ Firmware flashing Hey radio enthusiasts! Ever wondered if your beloved ATS20+ receiver could do more,…